12111320210 has 32 divisors (see below), whose sum is σ = 23845060800. Its totient is φ = 4392480960.

The previous prime is 12111320203. The next prime is 12111320227. The reversal of 12111320210 is 1202311121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103565 + ... + 186944.

It is an arithmetic number, because the mean of its divisors is an integer number (745158150).

Almost surely, 2^12111320210 is an apocalyptic number.

12111320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111320210 is a deficient number, since it is larger than the sum of its proper divisors (11733740590).

12111320210 is a wasteful number, since it uses less digits than its factorization.

12111320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290906.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12111320210 its reverse (1202311121), we get a palindrome (13313631331).

The spelling of 12111320210 in words is "twelve billion, one hundred eleven million, three hundred twenty thousand, two hundred ten".